Means for purifying and regulating a supply of water.



.3. W. GAMBLL MEANS POR PURI'FYING AND REGULATING A SUPPLY 0F WATER.

APPLIOATION ULEB P11330. 1903. l

VENTO/9' BY @M mfom@ A TTORNEYS PATENTED OGT. 23, 1906.

. UNITED 'STATES JOSEPH WILLARD GAMBLF, OF

yFATITFNII OFFIOF.

PHILADELPHIA. PENNSYLVANIA,

ASSIGNOR TOvJOSEPI-I S. LOVICRING WHARTON, WILLIAM S. HALLOWELL, AND JOHN O. JONES, DOING BUSINESS AS HAR- RISON SAFETY BOILER WORKS, OF PHILADELPHIA, PENNSYL- VANIA, A FIRM.

. n e. V633,830.

Specification of Letters Patent.

Patented Oct. 23, 1906.

Application filed February 20, 1906. Serial No. 301,997.

To MZ whom it magu/icon'eern:

Be it'known that I, JOSEPH WILLA'RD GAM- f BLE,'a citizen of the United States, and a resi'- or other destination.

dent of and whose post-ofiice address is No. 2602 North Thirtieth street, Philadelphia, in the county of Philadelphiav and State of Pennsylvania, have invented certain new and useful Improvements in Means for Puri- `fying and Regulating a Supply of Water, ofy

which the following is a specification.

l'{My invention relates to improvements in devices for regulating and controlling a supply'of water, and especially to devices employed in feed-water heaters and purifiers where afilterebed is apart of the apparatus and where chemical solution is supplied to the water before iiltration.

The objects of my invention are to provide means for insuring an adequate supply of heated and treated water irrespective of the condition of the filter to provide meanssimple, positive, eflicient, and automatic in operation.

I accomplish the desired ends by the apparatus herein described, and illustrated in the accompanying drawings.

Figure 1 is an elevation of a feed-water heater and purifier embodying my invention, showing part broken away, the disclosed inf terior being partly in section. Fig. 2 shows a modification of my invention. i

A is the body ofthe heater, &c.

1 is the steam-inlet; 2, a separator; 3, the

lsteam-outlet 5 4, the feed-water inlet 5, chemicalfeed-pipe inlet; 6, feed-water-regulating valve; 7, float operating regulating-valve by means of' intermediate connections 8 8; 9, adjusting turnbuckle or e uivalent; 10, shield or hood covering inlet 'to y-pass and opening in lower water strata 5 171, orifice of by-pass,

referably below the normal water-line in eater; 12, regulating-valve in by-pass, 13, piping constituting by-pass; 14, float-chamber, preferably outside of heater; 15, iioat for operating regulating-valve 12, 16, .inter-v mediate connections 5 17, adjusting turnbuclrle or equivalent; 18, vent, preferably to atmosphere 19, filter-bed; 20, outlet-cham ber beyond filter; 21, outlet-pipe to pump In Fig. 2 the vent-pipe 18a is returned into the heater instead of opening into the atmosphere.

maintaining an adequate supply of feed-water irrespective of the clogging of the filterindicated, and certain means for attaining the desired result havie already been fully set forth in an application heretofore iiled by me on the 18th day of April, 1905 Serial No. 256,262. I therefore will not now repeat them further than is necessary to explain the operation of the improved means for attain'- ing the same result as herein set forth.

This operation is as follows: Referring to the figure, the iioat 7 and valve 6 are adjusted so as to admit the requisite amount of water to meet the requirements and maintain a determined water-level. .When the filter 19 is clear and an adequate supply is passing therethrough, then all the water passes through the filter into 20 and out through 21. Under such normal conditions the float-chamber 14 is full, since it is entirely below the water-level of the heater and is vented at the top'by the pipe 18. and the float 15 is keeping the valve 12 closed. (The sufiicient height to balance any back pressure maintained in the heater, allowing about two every pound of back pressure maintained therein.) If, however, the filter clogs, so that the passage of water therethrough is prevented or diminished, so as to become inadequate, then when the force tending to cause the discharge through the outlet 21 is'constant and uniform the water in the chamber 14 is drawn on, the water-level therein falls, and the iioat 1 5 with 1t, thus opening the valve 12, when the water passes through the by-pass 13 about the filter into the outlet-chamber 20, and thus the amount adapted to be discharged through 21 is irrespective of the condition of the Jfilter undiminished, the water-level in the heater itself remains substantially constant, and the be evident that as soonas the obstruction in the filter-bed 19 is removed the flow will recommence therethrough, because it is kthe line of least resistance and because the preshead in 20 practically uniform. It will alsoI The necessity for providing a means for bed in a feed-water heater has been clearly pipe 18, it should be noted, is carried up a feet above the water-level of the heater for IOO sure in the heater is greater than in the chamber 14. The pressure in the outlet-chamber 20, due to the pressure in the heater plus the head of Water therein acting through the lter, then raises the 'Water in the chamber 14 and vent-pipe 18 to the level in the heater, thus raising the fioat 15 and shutting off the supply through the valve 12 and by-pass 13. All the Water Will then pass through the filter 19 as at first. vWhen the filter is so clogged that the Withdrawal of Water from the chamber 14 commences, the pressure on the Water in that chamber is only equal to the pressure of the atmosphere through the vent 1S plus the head in the vent 18. When the filter is clear, the pressure on the Water in 14 is equal to the pressure in the heater itself, and if this pressure is greater than the atmospheric pressure it Will raise the Water in the pipe 1S to a height equivalent thereto, since 'When the iilter is clogged the pressure is lowered and the float falls, thus opening valve 12, and When the filter is clear the pressure increases and the float rises, thus closing valve 12. Therefore it may be said that the operation of the valve 12 varies according to the pressure of the Water actuating the float 15.

In the modification shown in Fig. 2 the operation is slightlT different. Here the pressure is always balanced, since it acts on the Water in the by-pass 13 and chamber 14, tending to iill the said chamber and `also through the vent 1Sa tending to empty it. In this case, therefore, the operation of the float 15 is dependent upon the mere difference of Water-level in the chamber 14 and the heater A, irrespective of the pressure in the chamber, this difference in turn depending upon the amount discharged through 2() 21. Therefore the operation of this modification may be said to depend upon the variation in Water-level in the Heat-chamber 14. Moreover, the operation of the device is not deferred until the filter is entirely clogged, nor, conversely, does the apparatus continue to pass the Water entirely through the by-pass after the filter is partly clear, but the by-pass automatically supplements the quantity passing through the filter by a quantity varying inversely, as that passing through `the filter, and by this I do not mean that the quantity Which passes through the by-pass varies inversely in actual measurement or proportion to that passing through the filteras, for example, in any fixed ratio, as three parts to one part 3 but I mean that the flow through the by-pass increases or diminishes in general directly as the flow through the filter diminishes or increases and inversely as said flow through the filter increases or diminishes, the actual ratio being immaterial so long as the supplement is sullieient to make up any de'ciency in the quantity passing through the filter.

I d o not limit myself to any particular purpose, form, er design of apparatus, material, or substance, but

That I claim is- 1. A filter; a by-pass about the lter; a. float-actuated valve in the by-pass, and means for operating it according to the variation in pressure of the Water actuating the iioat.

2. A filter, a by-pass about the filter 5 a valve in the by-pass; a Water-ehamber and means therein. for automatically operating the valve according as the filter is clogged or free.

A heater, a filter, a by-pass about the lter, a valve in the by-pass; a vented floatchamber below the normal Water-level of theheater and opening at the bottom into a spare beyond the filter; a iloat in the chamber adapted to operate the by-pass valve according as the Water therein rises or falls.

4. In a heater, a filter; a bypass about the filter; a valve in the by-pass, a float-chamber opening into the heater beyond the iilter; a float in said chamber adaptedto operate the by-pass valve.

5. A tank, a filter therein; means for automatically regulating the supply to the tank 5 a by-pass about the iilter containing a valve; a Water-chamber adapted to iill or empty according as the filter is clear or clogged, and means for automatically operating the bypass valve according to the height of the water in the chamber.

6. A tank, a iilter therein, means for automatically regulating the supply to the tank; a by-pass about the filter containing a valve; a Water-chan'lber opening into the space beyond the filter; and means for operating the by-pass valve according to the height of water in the supplem cntal chamber.

7. A filter, a valvcd byepass about the same; a float and intermediate means for operating the valve according as the filter is clear or clogged.

Signed at Philadelphia, in the county of Philadelphia and State of Pennsylvania, this 5th day of February, A. D. 1906.

JOSEPH VILLARD GAMBLE.

I/Vitnesses Josnrn M. HEWLETT, JAMES E. SAnAoooL. 

